Skin breakthroughs in the year 2000.

Aging skin is a factor of many things-genetics, sun exposure, environmental insults, stress, and more. The signs of aging skin and cancer will be briefly reviewed followed by a discussion of current advances in dermatology, beginning with the new FDA regulation of sunscreens, the current state of tretinoin (Renova) and its future uses, the current state of antioxidants in the skin, and the latest therapies of microdermabrasion, neodymium:YAG lasers, and botulinum toxin.